Pre-Seed Venture Capital Firms

Browse 6,770 venture capital firms that actively invest at the Pre-Seed stage. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.

Verified Pre-Seed VC firms

Operator Health Ventures

Dedicated to early-stage HealthTech solutions leveraging AI and machine learning to optimize operations in hospitals and healthcare organizations.

  • Healthcare
  • Other
  • Enterprise
  • Pre-Seed, Seed
  • $250K – $3.0M
  • Austin, TX
  • 1 portfolio company

Operator Hub Ventures

Invests in operational tools and SaaS solutions tailored to startup enablement and enterprise workflows.

  • Other
  • Pre-Seed
  • $300K – $750K
  • Los Angeles, CA
  • 204 portfolio companies

Operator Stack

Focuses on operational-heavy B2B startups building scalable software platforms in SaaS or marketplaces.

  • SaaS
  • Marketplace
  • Fintech
  • Seed, Pre-Seed
  • $250K – $2.0M
  • Los Angeles, CA
  • 2 portfolio companies

Operator Syndicate

Operator-led micro fund focusing on early-stage B2B SaaS companies, particularly in productivity, leadership, and organizational tools.

  • SaaS
  • Other
  • Pre-Seed, Seed
  • $50K – $250K
  • San Diego, CA
  • 1 portfolio company

Operators Guild Ventures

Operator-led investing with a bias toward practical software businesses. Relevant for products that solve deep workflow problems for specific customer segments.

  • SaaS
  • Other
  • Pre-Seed, Seed
  • New York, NY
  • 1 portfolio company

Ops Angels

A rolling fund backing early-stage startups building operational efficiency tools for retail and logistics.

  • Other
  • Consumer
  • Marketplace
  • Pre-Seed
  • $250K – $1.3M
  • Global
  • 1 portfolio company

Ops Innovation Fund

Specializes in funding early-stage automation technologies that optimize business operations for mid-market enterprises.

  • SaaS
  • Other
  • Enterprise
  • Pre-Seed, Seed
  • $500K – $2.5M
  • Chicago, IL
  • 23 portfolio companies

OpsMaven Capital

Invests in early-stage RevOps and operational SaaS companies aiming to transform revenue-generating processes for mid-market and enterprise customers.

  • Other
  • SaaS
  • Enterprise
  • Pre-Seed, Seed
  • $750K – $2.5M
  • Seattle, WA
  • 6 portfolio companies

OpsTech Capital

Investing in startups that leverage technology to optimize supply chain and operational efficiencies.

  • Other
  • Enterprise
  • AI / ML
  • Pre-Seed, Seed
  • $500K – $2.0M
  • San Jose, California
  • 1 portfolio company

Optica Venture Partners

Optica Venture Partners focuses on investing in cutting-edge optical computing technologies and AI infrastructure advancements.

  • AI / ML
  • Other
  • Healthcare
  • Pre-Seed, Seed
  • $1.0M – $5.0M
  • Cambridge, UK
  • 7 portfolio companies

Optics Ventures

Investing in cutting-edge optical and sensor technologies for industrial use.

  • Other
  • Healthcare
  • Pre-Seed, Seed
  • $500K – $3.0M
  • Chicago, IL
  • 8 portfolio companies

OptimAI Ventures

Dedicated to enhancing AI infrastructure capabilities and investing in companies transforming machine learning efficiencies.

  • AI / ML
  • Developer Tools
  • Pre-Seed, Seed
  • $500K – $3.0M
  • Boston, MA
  • 5 portfolio companies

Optima AI Ventures

Focused on backing AI-driven B2B SaaS companies driving organizational efficiency and decision-making.

  • Other
  • SaaS
  • AI / ML
  • Pre-Seed, Seed
  • $300K – $2.0M
  • London, UK
  • 2 portfolio companies

Optimiza Ventures

Optimizing supply chain operations through strategic investments in technology-driven startups, particularly those using AI and data analytics.

  • Other
  • Pre-Seed, Seed
  • $200K – $1.0M
  • Austin, TX

Optimize Venture Partners

Focused on backing wellness and performance-driven SaaS products operating at the intersection of consumer and B2B.

  • Healthcare
  • Other
  • SaaS
  • Pre-Seed, Seed
  • $500K – $2.5M
  • 2 portfolio companies

Optimus Ventures

Focuses on early-stage technology companies leveraging AI to create scalable SaaS solutions.

  • SaaS
  • AI / ML
  • Enterprise
  • Pre-Seed, Seed
  • $1.0M – $3.0M
  • Austin, TX
  • 2 portfolio companies

Optix Ventures

Invests in AI-powered infrastructure software enabling scalable enterprise workflows, with focus on industries undergoing digital transformation.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $250K – $2.5M
  • San Francisco, CA
  • 2 portfolio companies

Opto

AI-focused venture fund built around foundational technologies, infrastructure, developer tools, and specialized frameworks. The strategy is aimed at software layers that underpin enterprise AI adopti...

  • AI / ML
  • Developer Tools
  • Climate / Energy
  • Pre-Seed, Seed
  • 13 portfolio companies

Orange DAO

Focuses on early-stage Web3 and crypto startups, leveraging a large LP base of YC alumni who actively support portfolio companies.

  • Other
  • EdTech
  • Developer Tools
  • Pre-Seed, Seed
  • $50K – $500K
  • Remote/Global
  • 11 portfolio companies

Orbit Labs

Orbit Labs backs founders building productivity-focused B2B SaaS tools with AI/ML integration.

  • SaaS
  • Other
  • Enterprise
  • Pre-Seed, Seed
  • $300K – $1.5M
  • San Francisco, CA
  • 39 portfolio companies

Orbit Partners

Orbit Partners invests in startups utilizing AI to enhance efficiency in sales and business operations within SMBs.

  • AI / ML
  • Other
  • SaaS
  • Pre-Seed, Seed
  • $400K – $2.0M
  • Toronto, Canada
  • 5 portfolio companies

Orbit Startups

Invests in early-stage companies in Asia and emerging markets using AI to solve high-impact problems in visual data intelligence, logistics, and operational efficiency.

  • AI / ML
  • SaaS
  • Other
  • Pre-Seed, Seed
  • $50K – $250K
  • Singapore
  • 2 portfolio companies

Orbital Innovations Fund

Focuses exclusively on early-stage companies innovating in aerospace and dual-use technologies.

  • Other
  • Pre-Seed
  • $750K – $2.5M
  • Los Angeles, CA
  • 20 portfolio companies

Orbital Venture Partners

Orbital specializes in data-driven B2B SaaS startups with global scalability potential, particularly CRM and customer retention platforms.

  • SaaS
  • Other
  • Pre-Seed, Seed
  • $200K – $3.0M
  • London, UK
  • 1 portfolio company

Showing 4321–4344 of 6770 firms — page 181 of 283.

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